Finding the Fourth Proportional to 834,917.91, 1,251,380.41 and 455,934.05
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Solution
The fourth proportional to 834,917.91, 1,251,380.41 and 455,934.05 is: 683,356.93
Step by Step Solution
- Step 1: Write the proportion equation
834,917.91 : 1,251,380.41 = 455,934.05 : x - Step 2: Convert to fraction form
834,917.91/1,251,380.41 = 455,934.05/x - Step 3: Cross multiply
834,917.91x = 1,251,380.41 × 455,934.05 - Step 4: Simplify right side
834,917.91x = 570,546,936,433.35 - Step 5: Solve for x
x = 570,546,936,433.35/834,917.91 - Step 6: Final answer
x = 683,356.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.